Date: Sun, 7 Sep 2014 08:00:04 -0700 (PDT)
From: djeikon <jwdconstable@gmail.com>
To: lojban@googlegroups.com
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Subject: Re: [lojban] Why left-grouping of tanru?
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Right-branching noun compounds do tend to be more common than 
left-branching in English corpora. The conversion of CCGbank (a corpus of 
CCG-annotated Wall Street Journal text; see 
http://groups.inf.ed.ac.uk/ccg/ccgbank.html) from the Penn Treebank 
required imposing binary branching on all noun compounds, and they opted 
for universal right-branching, given that recovering the correct bracketing 
was considered too difficult / out of scope, and right-branching at least 
guarantees correctness >50% of the time.

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<div dir=3D"ltr">Right-branching noun compounds do tend to be more common t=
han left-branching in English corpora. The conversion of CCGbank (a corpus =
of CCG-annotated Wall Street Journal text; see <a href=3D"http://groups.inf=
.ed.ac.uk/ccg/ccgbank.html">http://groups.inf.ed.ac.uk/ccg/ccgbank.html</a>=
) from the Penn Treebank required imposing binary branching on all noun com=
pounds, and they opted for universal right-branching, given that recovering=
 the correct bracketing was considered too difficult / out of scope, and ri=
ght-branching at least guarantees correctness &gt;50% of the time.</div>

<p></p>

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